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System for measuring volume of cavitation gas generated by ultra-short pulse laser induction

A technology of ultra-short pulse laser and gas volume, which is applied in the field of laser to achieve the effect of convenient shooting, simple measurement method and convenient real-time monitoring

Active Publication Date: 2020-04-24
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
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Problems solved by technology

At present, there is no corresponding device for measuring the volume of bubbles generated by ultrashort pulse laser cavitation. Therefore, it is urgent to provide a device suitable for rapid measurement of the volume of bubbles generated by cavitation in the laboratory.

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  • System for measuring volume of cavitation gas generated by ultra-short pulse laser induction

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0023] Such as figure 1 As shown, a system for measuring the volume of cavitation gas induced by ultrashort pulse laser, the system includes a laser pulse device, a convex lens, a detection device and a photographing device, the detection device is filled with transparent liquid, and the laser pulse device is set at The front of the detection device is used to emit pulsed laser light, and the c...

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Abstract

The invention belongs to the technical field of laser, and discloses a system for measuring the volume of cavitation gas generated by ultra-short pulse laser induction. The system comprises a laser pulse device, a convex lens, a detection device and a shooting device, wherein the detection device is filled with a transparent liquid; the convex lens is used for focusing the emitted pulse laser in the transparent liquid in the detection device; the shooting device is used for shooting a cavitation process; the detection device comprises a liquid inlet, a liquid storage cavity and a measurement cavity, the liquid inlet is communicated with the liquid storage cavity; when transparent liquid enters the liquid storage cavity from the liquid inlet and fills the liquid storage cavity and the measuring cavity, the liquid inlet is closed; a capillary tube is arranged in a rubber plug of an opening in the measurement cavity; when the pulse laser is focused in the transparent liquid, the transparent liquid generates a cavitation phenomenon to generate bubbles, so that the liquid level in the capillary tube rises, and the volume of gas generated by cavitation is obtained by reading the rising height of the liquid level in the capillary tube. According to the invention, rapid measurement of the volume of the cavitation gas is realized.

Description

technical field [0001] The invention belongs to the field of laser technology, and more specifically relates to a system for measuring the volume of cavitation gas induced by ultrashort pulse laser. Background technique [0002] Over time, highly focused ultrashort-pulse lasers have become more widely used in cellular biophysics and biotechnology. The latest research results show that it has been possible to use ultrashort pulse lasers to sample and subsequently biophysically characterize cellular structures. However, despite the continuous development of pulsed laser microbeam technology, the knowledge of the physical mechanisms has been poorly studied, and the knowledge of these physical mechanisms is crucial and will provide a framework to drive further research and development of pulsed laser microbeam technology. . [0003] The experimental research on the interaction mechanism between ultrashort pulse laser and liquid matter mainly focuses on two aspects: one is the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01N21/84G01N1/28
CPCG01B11/00G01N1/28G01N21/84G01N2021/8405
Inventor 马修泉王奕淳吴寒朱红玲陆文康廖博文
Owner HUAZHONG UNIV OF SCI & TECH
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